Metal deforming – By deflecting successively-presented portions of work during... – To form spiral coil
Reexamination Certificate
2007-03-20
2007-03-20
Larson, Lowell A. (Department: 3725)
Metal deforming
By deflecting successively-presented portions of work during...
To form spiral coil
C072S393000
Reexamination Certificate
active
10488039
ABSTRACT:
A method for coiling thin metal strip on a coiler mandrel, which is adjusted in diameter, in which, at the beginning, the inner windings of the coil are coiled on the adjusted coiler mandrel diameter, and, after the final winding of the coil, the coiler mandrel is pulled out, or the coil is taken off. One or more profile grooves are pressed into one inner winding or into several adjacent inner windings on the circumference during rotation of the coil.
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Bäumer Klaus
Ginsberg Klaus
Tuschhoff Matthias
Kueffner Friedrich
Larson Lowell A.
SMS Demag AG
Wolfe Debra
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